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PRODUCTS |
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HC44X(SFCV)Rubber disc check valve |
Rubber disc check valve consists of body,cover and rubber disc.Inside of the rubber disc is steel plate,steel bar and reinforced nylon liner and the outside is rubber and the disc life is more than one million open-close cycles.The valve is designed with unimpeded bore,so the pressure loss is very little and no sundries pile up in the body and it is easy to maintain this kind of valve.
The valve is used for feeding system and installed at the outlet of the pump to prevent the fluid flowing backward and water hammering.Also it can be installed at the inlet ofinlet/outlet¡¯s bypass pipe to prevent the water in the cistern flowing backward into the pipe.
Main technical parameters
Nominal Pressure: 1.0-1.6MPa
Nominal Diameter: 50-600mm
Service:water and weak corrosive fluid
Working Temperature:0-80oC
Flanged End: GB/T17241.6 GB9113
Inspection and Test: GB/T 13927 API 598
Material
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Part |
Body |
Cover |
Disc |
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Material |
Cast iron |
Cast iron |
Steel packed with nylon | Signal gate valve and signal butterfly valve are used in automatic spraying water pipeline in fire protection system to monitor the water
supplying pipeline and can indicate the valve¡¯s opening in a long distance.Rising stem gate valve and opening indicator gate valve are often
used in fire protection system,and if the installation position is high to the ground,rising stem gate valve is used and can show the valve¡¯s opening clearly and if the installation position is low,opening indicator gate valve is used
Dimensions( mm)
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DN |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
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L |
203 |
216 |
241 |
292 |
356 |
495 |
622 |
698 |
787 |
914 |
978 |
978 |
1295 | |
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